US Bridges

Terrace Street over Minnewawa Brook

Fair

Cheshire County, New Hampshire · 210 Ft FR Nh RTE 101 · Structure no. 016300750012400

Built
1922
103 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
178
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Terrace Street over Minnewawa Brook is a concrete tee beam carrying Terrace Street over Minnewawa Brook in Cheshire County, New Hampshire. It was built in 1922, so it is 103 years old, older than the New Hampshire average of 56.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 178 vehicles a day, roughly 4% of them trucks, projected to reach 263 by 2043. The structure is 43 ft (13.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTerrace Street
CrossesMinnewawa Brook
Location210 Ft FR Nh RTE 101
Coordinates42.90384, -72.20759
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic178 (2023)
Projected traffic263 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Terrace Street over Minnewawa Brook built?

It was built in 1922, making it 103 years old in 2025.

What condition is Terrace Street over Minnewawa Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Terrace Street over Minnewawa Brook carry?

About 178 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Terrace Street over Minnewawa Brook?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns Terrace Street over Minnewawa Brook?

It is owned by the City or Municipal Highway Agency.